CVE-2007-3771

mediumpriority · track · 18EPSS 0.004 · 29 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (29th) EPSS

CVSS 4.6 · medium

Is it mine?

33 products

Check your exposure

Who says so?

2 sources

enisa_euvd · nvd

EPSS · scored 2026-10-27

Stack-based buffer overflow in the Internet E-mail Auto-Protect feature in Symantec AntiVirus Corporate Edition before 10.1, and Client Security before 3.1, allows local users to cause a denial of service (service crash) via a long (1) To, (2) From, or (3) Subject header in an outbound SMTP e-mail message. NOTE: the original vendor advisory referenced CVE-2006-3456, but this was an error.

cvss

Technical severity, 0–10. One row per scoring source.

4.6

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.9–4.6

v2.04.6mediumAV:L/AC:L/Au:S/C:N/I:N/A:Cprimary · NVD / NIST USexploitability 3.1 · impact 6.9

v2.03.9lowAV:L/AC:L/Au:S/C:N/I:N/A:C/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-121USLLM-inferredCWE-20USLLM-inferred

affected products (33)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
symantec client security= 2.0nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.1.1000nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.1.1007nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.1.1009nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.2nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.2.2000nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.2.2001nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.2.2002nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.2.2011nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec client security= 3.0.2.2021nvdUScpe:2.3:a:symantec:client_security:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0.1.1000nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0.1.1007nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0.2.2000nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0.2.2001nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0.2.2002nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0.2.2010nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*
symantec norton antivirus= 10.0.2.2011nvdUScpe:2.3:a:symantec:norton_antivirus:*:*:*:*:*:*:*:*

showing 20 of 33

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd NVD CVE.org MITRE

published 2007-07-15modified 2026-06-16

references (16)

External citations — patches, advisories, analysis.

scry

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